O'Fallon, IL

View of O'Fallon, IL
Image credit: Robert Lawton / CC BY-SA 2.5
Population
32,656
U.S. Census Population Estimates Program · 2025
Elevation
552 ft
Median Home Value
$295,700
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,332/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$105,982
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About O'Fallon

O'Fallon started in the 1850s as a quiet railroad depot, and you can still feel that history right in the center of town. Historic storefronts along State Street house local shops and independent eateries, while O'Fallon Station serves as an open-air gathering pavilion next to the old rail line. The paved Illini Trail cuts right through downtown, connecting local neighborhoods directly to the wider regional bike trail network. It makes the downtown area an easy stop to grab a morning coffee, meet friends for dinner, or hop on a bicycle for a weekend ride.

Hesse Park, O'Fallon, Illinois

A huge part of the local community is shaped by Scott Air Force Base, located just south of town. As a major military transportation and logistics hub, the base brings a steady flow of service members, civilian contractors, and defense professionals to O'Fallon. That gives the city a welcoming atmosphere where newcomers tend to settle in quickly. For getting around the wider metro area, Interstate 64 runs right along the south edge of town, putting downtown St. Louis roughly twenty-five minutes away. Commuters who prefer transit can catch local bus lines or connect to the MetroLink light rail at nearby Shiloh or Fairview Heights.

Illinois O' Fallon through Pekin NARA 23939921 (cropped)

With a population around 32,000, O'Fallon offers a mix of established subdivisions, newer master-planned developments, and roomier lots on the edge of town. Most residents own their homes, with home values and household incomes sitting well above the regional average. Daily routines largely depend on which neighborhood you choose. Living on the north side keeps you close to neighborhood schools and quieter streets, while subdivisions near Highway 50 and Highway 158 offer quick trips to grocery stores, big-box shopping, and the interstate. Commutes to St. Louis or the base generally take twenty to twenty-five minutes, though retail corridors and school zones see their share of rush-hour traffic.

Moye Elementary School

When it comes to weekends and downtime, life in O'Fallon revolves around its parks and community gatherings. The 200-acre Family Sports Park stays busy with youth soccer leagues, baseball tournaments, splash pad visits, and evening walks around the stocked fishing ponds. If you prefer quiet woodland scenery, Rock Springs Park on the east side offers shaded walking paths and nature programs. Downtown fills up on Saturday mornings from May through October for the Vine Street Market, where dozens of local farmers, bakers, artisans, and food trucks set up around O'Fallon Station with live music.

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